Rio de Janeiro
Long term weather forecast
Long term weather forecast

Monthly weather forecast and Climate
Rio de Janeiro, Brazil

Months with highest relative humidity are March, April, May, October and December (80%).
Months with lowest relative humidity are July and August (77%).

Wettest month (with highest rainfall) is January (137.1mm).
Driest month (with lowest rainfall) is July (41.9mm).

Best months for swimming (with highest average sea temperature) are February and March (26°C).
Coldest months (with lowest average sea temperature) are July, August, September and October (22°C).